private void Initialize(DateTime startDate, DateTime endDate, ActivityDescriptor activityDescriptor)
{
this.StartDate = startDate;
this.EndDate = endDate;
this.ActivityDescriptor = activityDescriptor;
this.Hypothetical = false;
}
// confirms that it is valid to create a new activity with the given name and parent
private string ValidateCandidateNewInheritance(Inheritance inheritance)
{
ActivityDescriptor childDescriptor = inheritance.ChildDescriptor;
if (childDescriptor == null)
{
return("Child name is required");
}
Activity existingChild = this.ResolveDescriptor(childDescriptor);
if (existingChild != null)
{
return("Child " + existingChild.Name + " already exists");
}
ActivityDescriptor parentDescriptor = inheritance.ParentDescriptor;
if (parentDescriptor == null)
{
return("Parent name is required: try \"Activity\"");
}
Activity parent = this.ResolveDescriptor(parentDescriptor);
if (parent == null)
{
return("Parent " + parentDescriptor.ActivityName + " does not exist");
}
if (parent is ToDo)
{
return("Parent " + parentDescriptor.ActivityName + " is a ToDo which cannot have child activities");
}
return("");
}
// makes an ActivityDescriptor that describes this Activity
public override ActivityDescriptor MakeDescriptor()
{
ActivityDescriptor descriptor = new ActivityDescriptor();
descriptor.ActivityName = this.Name;
descriptor.Suggestible = this.Suggestible;
return(descriptor);
}
public AbsoluteRating(double score, DateTime date, ActivityDescriptor activityDescriptor, RatingSource source)
{
this.Score = score;
this.Date = date;
this.ActivityDescriptor = activityDescriptor;
this.Source = source;
this.Initialize();
}
} // If true, the user entered this rating. If false, this was inferred by the engine
public override double GetScoreForDescriptor(ActivityDescriptor descriptor)
{
if (descriptor == this.ActivityDescriptor)
{
return(this.Score);
}
throw new ArgumentException("cannot ask an absolute rating for the score of a different activity");
}
public Activity GetActivityOrCreateCategory(ActivityDescriptor descriptor)
{
Activity existing = this.ResolveDescriptor(descriptor);
if (existing == null)
{
return(this.CreateCategory(descriptor));
}
return(existing);
}
public Problem GetOrCreateProblem(ActivityDescriptor descriptor)
{
Problem existing = this.ResolveProblem(descriptor);
if (existing == null)
{
return(this.CreateProblem(descriptor));
}
return(existing);
}
public ToDo GetOrCreateTodo(ActivityDescriptor descriptor)
{
ToDo existing = this.ResolveTodo(descriptor);
if (existing == null)
{
return(this.CreateToDo(descriptor));
}
return(existing);
}
public bool CanMatch(ActivityDescriptor activityDescriptor)
{
foreach (ActivitySuggestion ours in this.Children)
{
if (ours.ActivityDescriptor.CanMatch(activityDescriptor))
{
return(true);
}
}
return(false);
}
// tells whether the given descriptor can match the given activity
public bool Matches(ActivityDescriptor descriptor, Activity activity)
{
if (this.MatchQuality(descriptor, activity) > 0)
{
return(true);
}
else
{
return(false);
}
}
public override double GetScoreForDescriptor(ActivityDescriptor descriptor)
{
if (descriptor == this.BetterRating.ActivityDescriptor)
{
return(this.BetterRating.Score);
}
if (descriptor == this.WorseRating.ActivityDescriptor)
{
return(this.WorseRating.Score);
}
throw new ArgumentException("cannot ask for the score for an activity not known to the RelativeRating");
}
// constructs an Activity from the given ActivityDescriptor
public Category CreateCategory(ActivityDescriptor sourceDescriptor)
{
Activity existing = this.ResolveDescriptor(sourceDescriptor);
if (existing != null)
{
throw new ArgumentException("Activity " + sourceDescriptor.ActivityName + " already exists");
}
Category result = new Category(sourceDescriptor.ActivityName, this.happinessSummarizer, this.efficiencySummarizer);
this.AddActivity(result);
return(result);
}
public void DemandNextParticipationBe(ActivityDescriptor activityDescriptor, Metric metric)
{
if (activityDescriptor != null)
{
this.SetActivityName(activityDescriptor.ActivityName);
}
this.demanded_nextParticipationActivity = activityDescriptor;
this.metricChooser.DemandMetric(metric);
// If there was not previously a demanded participation and metric, then the metric chooser may have allowed the user to enter no metric
// Now that we're demanding a specific metric, it's possible that a metric has appeared in the metric chooser, and we might need to
// suddenly ask the user if they completed this metric
this.updateMetricSelectorVisibility();
}
public ToDo CreateToDo(ActivityDescriptor sourceDescriptor)
{
Activity existing = this.ResolveDescriptor(sourceDescriptor);
if (existing != null)
{
throw new ArgumentException("Activity " + sourceDescriptor.ActivityName + " already exists");
}
ToDo result = new ToDo(sourceDescriptor.ActivityName, this.happinessSummarizer, this.efficiencySummarizer);
result.AddParent(this.todoCategory);
this.AddActivity(result);
return(result);
}
public Problem CreateProblem(ActivityDescriptor sourceDescriptor)
{
Activity existing = this.ResolveDescriptor(sourceDescriptor);
if (existing != null)
{
throw new ArgumentException("Activity " + sourceDescriptor.ActivityName + " already exists");
}
Problem result = new Problem(sourceDescriptor.ActivityName, this.happinessSummarizer, this.efficiencySummarizer);
this.AddActivity(result);
this.hasProblem = true;
return(result);
}
public ActivitySuggestion GetSuggestion(ActivityDescriptor activityDescriptor, DateTime skipCreationDate)
{
List <ActivitySuggestion> candidates;
if (!this.skipsByDate.TryGetValue(skipCreationDate, out candidates))
{
return(null);
}
foreach (ActivitySuggestion skip in candidates)
{
if (activityDescriptor.CanMatch(skip.ActivityDescriptor))
{
return(skip);
}
}
return(null);
}
private bool get_wasSuggested(ActivityDescriptor activity)
{
foreach (ActivitiesSuggestion suggestion in this.ExternalSuggestions)
{
foreach (ActivitySuggestion child in suggestion.Children)
{
if (activity.CanMatch(child.ActivityDescriptor))
{
return(true);
}
}
}
if (activity.ActivityName == this.suggestedActivityName)
{
return(true);
}
return(false);
}
// finds the Activity indicated by the ActivityDescriptor
public Activity ResolveDescriptor(ActivityDescriptor descriptor)
{
IEnumerable <Activity> candidates = this.GetCandidateMatches(descriptor);
Activity result = null;
double bestMatchScore = 0;
// figure out which activity matches best
foreach (Activity activity in candidates)
{
double matchScore = this.MatchQuality(descriptor, activity);
if (matchScore > bestMatchScore)
{
result = activity;
bestMatchScore = matchScore;
}
}
// now we've found the activity that is indicated by that descriptor
return(result);
}
private void OkButton_Clicked(object sender, EventArgs e)
{
this.engine.EnsureRatingsAreAssociated();
IProgression xAxisProgression = this.XAxisProgression;
ActivityDescriptor yAxisDescriptor = this.YAxisActivityDescriptor;
Activity yAxisActivity = null;
if (yAxisDescriptor != null)
{
yAxisActivity = this.engine.ActivityDatabase.ResolveDescriptor(yAxisDescriptor);
}
if (yAxisActivity != null)
{
yAxisActivity.ApplyPendingData();
ActivityVisualizationView visualizationView = new ActivityVisualizationView(xAxisProgression, yAxisActivity, this.engine.RatingSummarizer, this.engine.EfficiencySummarizer, this.layoutStack);
this.layoutStack.AddLayout(visualizationView, "Graph");
}
}
// returns a string other than "" in case of error
public string CreateCategory(Inheritance inheritance)
{
string err = this.ValidateCandidateNewInheritance(inheritance);
if (err != "")
{
return(err);
}
Activity parent = this.ResolveDescriptor(inheritance.ParentDescriptor);
if (parent == this.todoCategory || parent == this.problemCategory)
{
return("You can't assign an Activity of type Category as a child of the Category named " + parent.Name);
}
ActivityDescriptor childDescriptor = inheritance.ChildDescriptor;
Activity child = this.CreateCategory(inheritance.ChildDescriptor);
return(this.AddParent(inheritance));
}
// Returns a list of Activity that might be considered to match <descriptor>
private IEnumerable <Activity> GetCandidateMatches(ActivityDescriptor descriptor)
{
if (descriptor == null)
{
return(new List <Activity>(0));
}
IEnumerable <Activity> activities = null;
if (descriptor.RequiresPerfectMatch)
{
// requiring a perfect match means that we can do a sorted lookup to find the activity by name
activities = this.activitiesByName.CombineBetweenKeys(descriptor.ActivityName, true, descriptor.ActivityName, true);
}
else
{
// if we allow approximate string matches, then we have to check all activities
activities = this.activitiesByName.CombineAll();
}
return(activities);
}
// Find the top few matching activities
public List <Activity> FindBestMatches(ActivityDescriptor descriptor, int count)
{
if (count < 1)
{
return(new List <Activity>(0));
}
if (count == 1)
{
Activity best = this.ResolveDescriptor(descriptor);
if (best != null)
{
return new List <Activity>()
{
best
}
}
;
return(new List <Activity>()
{
});
}
IEnumerable <Activity> activities = this.GetCandidateMatches(descriptor);
StatList <double, Activity> sortedItems = new StatList <double, Activity>(new ReverseDoubleComparer(), new NoopCombiner <Activity>());
foreach (Activity activity in activities)
{
double quality = this.MatchQuality(descriptor, activity);
if (quality > 0)
{
sortedItems.Add(quality, activity);
}
}
count = Math.Min(count, sortedItems.NumItems);
List <Activity> top = new List <Activity>(count);
for (int i = 0; i < count; i++)
{
top.Add(sortedItems.GetValueAtIndex(i).Value);
}
return(top);
}
private void OkButton_Clicked(object sender, EventArgs e)
{
ActivityDescriptor childDescriptor = this.childNameBox.ActivityDescriptor;
ActivityDescriptor parentDescriptor = this.parentNameBox.ActivityDescriptor;
Inheritance inheritance = new Inheritance(parentDescriptor, childDescriptor);
inheritance.DiscoveryDate = DateTime.Now;
string error = this.activityDatabase.AddParent(inheritance);
if (error == "")
{
this.childNameBox.Clear();
this.parentNameBox.Clear();
this.feedbackLayout.setText(childDescriptor.ActivityName + " now inherits from " + parentDescriptor.ActivityName);
}
else
{
this.feedbackLayout.setText(error);
}
}
private void OkButton_Clicked(object sender, EventArgs e)
{
ActivityDescriptor childDescriptor = this.childNameBox.ActivityDescriptor;
ActivityDescriptor parentDescriptor = this.parentNameBox.ActivityDescriptor;
Inheritance inheritance = new Inheritance(parentDescriptor, childDescriptor);
inheritance.DiscoveryDate = DateTime.Now;
string error;
if (this.SelectedActivityTypeIsCategory || this.SelectedActivityTypeIsSolution)
{
error = this.activityDatabase.CreateCategory(inheritance);
}
else
{
if (this.SelectedActivityTypeIsToDo)
{
error = this.activityDatabase.CreateToDo(inheritance);
}
else
{
error = this.activityDatabase.CreateProblem(inheritance);
}
}
if (error == "")
{
this.childNameBox.Clear();
this.parentNameBox.Clear();
this.showMessage("Created " + childDescriptor.ActivityName);
if (this.GoBackAfterCreation)
{
this.layoutStack.GoBack();
}
}
else
{
this.showError(error);
}
}
public bool PreferAvoidCompletedToDos = false; // if true, we prefer to avoid completed ToDos
public bool CanMatch(ActivityDescriptor other)
{
if (other == null)
{
return(false);
}
if (this.ActivityName != null && other.ActivityName != null)
{
if (!this.ActivityName.Equals(other.ActivityName))
{
return(false);
}
}
if (this.Suggestible != null && other.Suggestible != null)
{
if (this.Suggestible.Value != other.Suggestible.Value)
{
return(false);
}
}
return(true);
}
public ToDo ResolveTodo(ActivityDescriptor descriptor)
{
return((ToDo)this.ResolveDescriptor(descriptor));
}
public bool HasActivity(ActivityDescriptor descriptor)
{
return(this.ResolveDescriptor(descriptor) != null);
}
public Category ResolveToCategory(ActivityDescriptor descriptor)
{
return((Category)this.ResolveDescriptor(descriptor));
}
// If there is a discrepancy, returns 0
// Otherwise, returns a number that gets larger if it's more likely that the user meant to match <activity>
public double MatchQuality(ActivityDescriptor descriptor, Activity activity)
{
if (descriptor.RequiresPerfectMatch)
{
// make sure the name matches
if (descriptor.ActivityName != null && !descriptor.ActivityName.Equals(activity.Name))
{
return(0);
}
return(1);
}
int stringScore = 0;
// points based on string similarity
string desiredName = descriptor.ActivityName;
if (desiredName.Length < 2 * activity.Name.Length)
{
stringScore = this.stringScore(activity.Name, desiredName);
}
else
{
// if the user enters a string that it ridiculously long, then we don't bother comparing it
stringScore = 0;
}
if (desiredName.Length > 0 && stringScore <= 0)
{
// name has nothing in common
return(0);
}
// now that we've verified that this activity is allowed to be a match, we calculate its score
// extra points for a fully matching name, because it must be possible to select an activity by name directly
double exactNameScore = 0;
if (descriptor.ActivityName.ToLower().Equals(activity.Name.ToLower()))
{
exactNameScore += 1;
}
if (descriptor.ActivityName.Equals(activity.Name))
{
exactNameScore += 1;
}
// more points if the 'Suggestible' property matches
double suggestibleScore = 0;
if (descriptor.Suggestible != null)
{
if (descriptor.Suggestible.Value)
{
// If we're looking for a suggestible activity, then we give more points to activities that are willing to be suggested
if (activity.Suggestible)
{
suggestibleScore += 1;
}
// If we're looking for a suggestible activity, then we give more points to activities that have no children
// (activities having child categories are generally less interesting than their children)
if (!activity.HasChildCategory)
{
suggestibleScore++;
}
}
else
{
// If we're looking for a non-suggestible activity, then we give more points to an activity that's not willing to be suggested
if (!activity.Suggestible)
{
suggestibleScore += 1;
}
}
}
double participationScore = 0;
// more points based on the likelihood that the user did this activity
if (descriptor.PreferMorePopular)
{
// Give better scores to activities that the user has logged more often
participationScore += (1.0 - 1.0 / ((double)activity.NumParticipations + 1.0));
}
// fewer points for completed Todos
double completedTodoScore = 1;
ToDo t = activity as ToDo;
if (t != null)
{
if (t.IsCompleted())
{
completedTodoScore = 0;
}
}
double isACompletedToDoScore = 1;
if (descriptor.PreferAvoidCompletedToDos)
{
ToDo toDo = activity as ToDo;
if (toDo != null)
{
if (toDo.IsCompleted())
{
isACompletedToDoScore = 0;
}
}
}
// Now we add up the score
// We give lower priority to the factors at the top of this calculation and higher priority to the lower factors
double finalScore = 0;
// points for non-name properties
finalScore += participationScore;
finalScore += suggestibleScore;
finalScore += completedTodoScore;
finalScore += isACompletedToDoScore;
finalScore /= 4;
// more points for a more closely matching name
finalScore += stringScore;
return(finalScore);
}
public Problem ResolveProblem(ActivityDescriptor descriptor)
{
return((Problem)this.ResolveDescriptor(descriptor));
}
